DSP gateway Architecture in Detail / DSP Gateway ƥξܺ 
Mr. Yoshitaka Hirase Nokia Japan / Υѥʿ

* DSP gatewayȤϡ
 LinuxDSPĤΤΡ

* OMAPȤϡ
 ARM baseprocessorǤꡢmobile
 omaplinuxtreeȼˤ뤬ƥʥ󥹤NOKIAԤäƤ롣

* DSP GWħ
 open sourceǤ롣
 ARM DSP֤ΥСإåɤ̵Ȥѡ
 codectaskޥͥȡ
 movieʤ video audio ʣtaskư롣
 dynamic loaderȤΤǡtask줿äꤹ롣
 DSP gatewaycommunity baseǳȯǤ롣

* DSP interface
 DSP task deviceʤdeviceǤ롣
 ̤ơdsp˥롣

* Inter Processor Communication
 mailܥåѤ롣
 DSP򤹤protocolǤƤȡƤƤ롣

* mailboxĤäޥ
 DSPɽˤޤȤƤ롣
 Τʤ顢ǻѡ

* task mngment : dynamic loader

      DSP			ARM
-------------------  -------------------------------
б          LinuxΥץopen()device
ޥɤdspԤ   (dsp 󶡤device)ˤ 
===================  ==============================
  DSP gateway      <->	  DSP gateway
-------------------  ------------------------------

* ǥ
 ssh770loginƲں
 顢block send줿ǡdspƤ
 ͻҤ줿
 pauseΤdsptaskݻƤ롣
 λȡtasknotaskȤʤ롣
 ưˤꡢdsptaskޥưƤ뤳Ȥǧ

* performavce evaluation
 ʤ˺ܤ뤿ᡢǽɾ˥ӥˤʪäƤä

* 
 - taskdsploadoverheadǤȻפ뤬
   ɤƤ뤫
   Ƥ˺ܤäѤʤˤ®٤򤢤뤫
   
   contentsκ˥Ȥ褦ˤ
   ͭƤΤǡȤʤȰ㤦

 - DSPѶŪ̿ᡢǡäƤ륱ϤΤͤƤ뤫

   Voice over IPͤƤΤǡΤˤʤä鸡Ƥɬפꡣ

 - DSPäƤĤưƤ櫓ǤϤʤΤǡΰ뤫 
 
   DSPkernelΰbootˤꤢƤơΤޤޡ
   褦ȤȤऺ
 




  

